Home / 65,816.36-90,826.20-35,601.64

Finding the Fourth Proportional to 65,816.36, 90,826.20 and 35,601.64

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Solution

The fourth proportional to 65,816.36, 90,826.20 and 35,601.64 is: 49,130.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,816.36 : 90,826.20 = 35,601.64 : x
  2. Step 2: Convert to fraction form
    65,816.36/90,826.20 = 35,601.64/x
  3. Step 3: Cross multiply
    65,816.36x = 90,826.20 × 35,601.64
  4. Step 4: Simplify right side
    65,816.36x = 3,233,561,674.97
  5. Step 5: Solve for x
    x = 3,233,561,674.97/65,816.36
  6. Step 6: Final answer
    x = 49,130.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.